Yup

Dead simple Object schema validation

ajv

The fastest JSON schema Validator. Supports JSON Schema draft-04/06/07/2019-09/2020-12 and JSON Type Definition (RFC8927)

Scout APM

Less time debugging, more time building. Scout APM allows you to find and fix performance issues with no hassle. Now with error monitoring and external services monitoring, Scout is a developer's best friend when it comes to application development.

property-validator

:white_check_mark: Easy property validation for JavaScript, Node and Express.

schema-inspector

Schema-Inspector is a simple JavaScript object sanitization and validation module.

Json validity

JSON-Splora

GUI for editing, visualizing, and manipulating JSON data

tv4

Tiny Validator for JSON Schema v4

SonarQube

Static code analysis for 29 languages.. Your projects are multi-language. So is SonarQube analysis. Find Bugs, Vulnerabilities, Security Hotspots, and Code Smells so you can release quality code every time. Get started analyzing your projects today for free.

Safen

Super Fast Complex Object Validator for Javascript(& Typescript).

joi

The most powerful data validation library for JS

Superstruct

A simple and composable way to validate data in JavaScript (and TypeScript).